a serious chronic ailment
It's hard to get up in the cold. Chinese idiom, Pinyin is ch é NK ē n á NQ ǐ, which means that you can't get out of bed because you have been seriously ill for a long time.
A note to the idiom "deep sickness": serious illness or old illness.
a serious chronic ailment
travel during the day and sleep at night - xiǎo xíng yè zhù
purchase popularity by claiming the good deeds of others as one 's own - lüě měi shì ēn
highly meritorious and respectable - gōng gāo wàng zhòng
peaceful and mild steps -- walking slowly - yōng róng yǎ bù